600results about How to "Prevent rolling" patented technology

The invention discloses an improvement method of an improved dry quenching coke tank transverse movement traction device, and relates to the technical field of coke tank transverse movement traction. The improvement method of the improved dry quenching coke tank transverse movement traction device comprises the following specific operation steps: carrying out improvement work as follows: transversely moving a coke tank to the lower part of a lifting derrick without a'coke tank stop signal 2 'signal; the position of the ejector pin limiting signal detection piece at the bottom of the coke tank trolley is adjusted and lifted upwards by 2 mm in the vertical direction, and it is guaranteed that the traction hook is evenly stressed. According to the improvement method of the improved dry quenching coke pot transverse movement traction device, a motor single-side brake of an originally designed transverse movement traction device is transformed into a double-side brake working mode, the phenomena of sliding, displacement and the like of the coke pot on a transverse movement traction device track are prevented, the operation safety coefficient is ensured, and the service life of the coke pot is prolonged. A swallow-tail rod with a tilted tail part of an originally designed transverse moving traction device rod is disengaged and transformed into a straight and horizontal pushing mode, so that the coke tank trolley is prevented from sliding due to gravity inertia, and a group of head-tail stopping limiters are added on the existing limiting opposite side.

The invention relates to the technical field of prefabricated pump stations, in particular to a liquid level detection control device for a multifunctional prefabricated pump station, which comprises a transmission line, a balancing weight and a shell, and further comprises an air bag, a baffle plate, a first connecting pipe and a second connecting pipe, the transmission line is communicated with an external control system, and the balancing weight is sleeved on the surface of the transmission line; the bottom of the transmission line is sleeved with the shell, the baffle is arranged around the transmission line, a vertical groove is formed in the side, close to the transmission line, of the baffle, the air bag is fixedly installed at the bottom of the baffle, the first connecting pipe is arranged on the surface of the air bag and penetrates through the balancing weight to communicate the air bag with the interior of the shell, and the second connecting pipe is arranged on the surface of the shell. The surface of the baffle is provided with an air port, the air port communicates with the interior of the shell through a second connecting pipe, the air bag deforms through rising or falling of the water level in the prefabricated pump station to conduct air suction and exhaust, air in the air bag can circulate in the shell, and when the shell floats upwards or descends, the surface of the shell deforms.

The invention discloses a soft magnetic ferrite core processing device, and relates to the technical field of magnet processing. The device comprises a supporting frame, a sintering furnace is fixedly installed at the top end of the supporting frame, the sintering furnace is divided into three areas from left to right, namely a pre-sintering shaping area, a high-temperature sintering area and a cooling area, installation clamping plates are fixedly installed on the adjacent sides of the top of the supporting frame, and a connecting plate is fixedly installed between the middles of the installation clamping plates. In the high-temperature sintering and cooling process, a soft magnetic ferrite core can be turned over, air flowing is accelerated, it is guaranteed that the soft magnetic ferrite core is evenly heated during sintering, the product quality is improved, meanwhile, even iron oxidation during sintering of the soft magnetic ferrite core and even heat dissipation during cooling are facilitated, and the service life of the soft magnetic ferrite core is prolonged. According to the magnetic core sintering device, the requirement for sufficient iron oxidation and cooling is met, the machining efficiency is improved, the soft magnetic ferrite cores are convenient to place and collect, meanwhile, redundant rolling during sintering of the soft magnetic ferrite cores is avoided, and normal sintering is facilitated.

The utility model relates to the technical field of pipeline transportation, in particular to a pipeline transport vehicle. The technical problems that in the pipeline transportation process, due to the fact that the road surface of a construction site is uneven, a fixing structure is lacked, and a pipeline cannot be well limited and fixed, the pipeline is prone to rolling on a transportation vehicle in the transportation process, the pipeline deviates and falls off from the transportation vehicle, and therefore the pipeline carrying efficiency is affected are solved. According to the technical scheme, the pipeline transport vehicle comprises a pipeline body, a support assembly, a buffering assembly, a base assembly, a moving assembly, a first clamping assembly and a second clamping assembly; compared with a traditional pipeline conveying device, the pipeline conveying device has the advantages that the two clamping structures are arranged to be used in a matched mode, the side portion and the upper portion of a placed pipeline can be clamped and fixed, the pipeline is limited, when the pipeline is conveyed, the pipeline can be prevented from rolling in the pipeline conveying device, the pipeline can be prevented from deviating and sliding off from the pipeline conveying device, and the conveying efficiency is improved. Therefore, the transportation efficiency of the pipeline is improved.

The utility model relates to a feeding and discharging device for spline shaft machining, which comprises a mechanical arm and a feeding device, the mechanical arm is arranged on one side of the feeding device, the feeding device comprises a first storage cabinet and a second storage cabinet, and the top of the first storage cabinet and the top of the second storage cabinet are both provided with discharging holes. Automatic feeders are arranged in the first storage cabinet and the second storage cabinet, each automatic feeder comprises a rotating shaft, a conveying belt and a servo motor, a plurality of containing grooves are evenly formed in the surface of the conveying belt at equal intervals, the servo motors are arranged at the top end in the first storage cabinet, and the rotating shafts are in transmission connection with output shafts of the servo motors through couplings; the two ends of the rotating shaft are sleeved with discs, and a plurality of containing holes are evenly formed in the discs in the axial direction. The containing holes of the discs can be matched with the electromagnets to descend the shaft parts conveyed by the conveying belt to be attracted to the rotating shafts, the containing grooves in the conveying belt can prevent the shaft parts from rolling during conveying, and the parts can be automatically fed.

The embodiment of the invention discloses a parking warning method and device and a vehicle, and belongs to the technical field of vehicles. The method is used for a vehicle machine, the vehicle machine is connected with a vehicle state detection device in a vehicle through a CAN bus, and the method comprises the steps that under the condition that the vehicle is in a stop state, a target vehicle state signal sent by at least one target vehicle state detection device is obtained through the CAN bus, the different target vehicle state signals are used for representing the states of different vehicle parts; based on the target vehicle state signal, vehicle leaving trend identification is carried out, a vehicle leaving trend identification result is obtained, and the vehicle leaving trend identification result is used for representing whether the driver has a trend of leaving the vehicle or not; and when the vehicle leaving trend identification result represents that the driver has a trend of leaving the vehicle and the current gear is a non-parking gear, carrying out parking state risk warning. By the adoption of the technical scheme, the parking state of a driver when the driver leaves the vehicle can be monitored, accurate warning is achieved, and vehicle sliding is avoided.

The utility model provides a heat treatment tool for cylindrical parts, and belongs to the technical field of heat treatment tools. The heat treatment tool for the cylindrical parts comprises a tray, a first limiting groove and a limiting long rod; the first limiting groove is formed in the inner wall of the supporting frame so that the limiting long rod can be limited; the two ends of the long limiting rod are embedded into the two first limiting grooves with the opposite openings in the supporting frame correspondingly so that the long limiting rod can be installed on the tray, when parts are placed on the supporting plate, the parts are limited through the long limiting rod, the stability of the cylindrical parts placed on the tray can be improved, the parts are prevented from rolling when the tray is lifted, and the service life of the cylindrical parts is prolonged. And meanwhile, the cylindrical parts are prevented from falling into an oil quenching tank or a water tank in the tray lifting process, and the heat treatment efficiency of the parts is guaranteed.

The utility model discloses a soil pest and disease damage microwave prevention and control device which comprises a supporting frame, a handrail, a supporting box, a soil microwave prevention and control mechanism, a lifting soil drilling assembly, a deep prevention and control assembly and a width adjusting mechanism. The soil microwave prevention and treatment mechanism comprises a top supporting plate, a supporting box, a threaded rod, a driving motor, a guide rod, a movable supporting plate, a connecting frame, a lifting hydraulic rod, a box body, a transmission gear, a soil drilling motor, a driven gear, a drill bit, a microwave generator, a flexible prevention and treatment probe and a reinforcing plate. The width adjusting mechanism comprises a double-thread screw, a distance adjusting motor, a limiting rod, a movable support, a distance adjusting wheel and a movable wheel. A drill bit can be driven to rotate by starting a soil drilling motor, and the drill bit and a flexible control probe can be driven to descend by starting a lifting hydraulic rod, so that deep soil is conveniently drilled, and microwave control is performed; the two sets of distance adjusting wheels can be driven to move oppositely or oppositely by starting the distance adjusting motor, and therefore the width of the bottom of the device can be adjusted conveniently to be matched with the ridge width to prevent crops from being rolled.

The invention relates to the technical field of glass tube conveying, and provides a cut glass tube transferring and conveying device which comprises a plurality of first conveying chains arranged on a first conveying frame in a circulating conveying mode. The plurality of bearing pieces are arranged on the first conveying chain in an array at equal intervals, and the plurality of bearing pieces are used for bearing and conveying glass tubes; the transfer part is arranged on one side of the first conveying frame and used for transferring the glass tubes conveyed by the first conveying frame; the multiple first connecting blocks and the multiple second connecting blocks are arranged in gaps between the multiple adjacent first conveying chains, and the multiple first connecting blocks and the multiple second connecting blocks are used for connecting the adjacent first conveying chains. According to the technical scheme, the problems that in the prior art, the overall temperature of the cut glass tube is high, and the glass tube is a fragile product and is difficult to convey are solved.

The invention provides a welded steel pipe flattening test device, and belongs to the technical field of welded pipe test equipment, the welded steel pipe flattening test device comprises a machine table, a rack, a pressing plate and a hydraulic cylinder, one side of the machine table is provided with a supporting plate and a push-out mechanism, the top surface of the supporting plate is flush with the table top of the machine table, the supporting plate is provided with a plurality of clamps for clamping samples, and the clamps are arranged on the rack. The stretching direction of the push-out mechanism is located in the middle of the side face of the machine table. The supporting plate and the electric cylinder are arranged on one side of the machine table, the multiple clamps used for clamping the samples are arranged on the supporting plate, the welded pipe samples are clamped through the clamps, rolling of the welded pipe samples is avoided, the traction mechanism pulls the supporting plate to move horizontally, and the clamps correspond to the telescopic ends of the electric cylinder one by one; the electric cylinder pushes the clamp and the sample on the clamp to the center of the table top of the machine table, automatic feeding of the sample is completed, after the test is completed, the telescopic end of the electric cylinder extends to the second extension length, the sample is pushed away from the table top of the machine table, and discharging of the sample can be more efficient.

The utility model relates to a walking assisting device for old people nursing, which comprises a support, the support is of a U-shaped semi-surrounding structure, the bottom ends of four corners of the support extend to form stepped-shaft-shaped supporting rods, guide plates which are bent at acute angles are arranged on two sides of the support along with the shape of the support, and the guide plates are connected with the support. A first guide rail is arranged on one side, inclining upwards along the support, of each guide plate, a second guide rail is arranged on one horizontal side of each guide plate, a seat plate is arranged between the two guide plates, and a first plummer block and a second plummer block which are in sliding connection with the first guide rail and the second guide rail respectively are arranged at the two ends of the seat plate. The first guide rail and the second guide rail which are independent are arranged on the acute-angle-shaped guide plate, the acute angle is formed between the first guide rail and the second guide rail, the first plummer block and the second plummer block are guided in a sliding mode through the first guide rail and the second guide rail, and double-point self-locking is formed in the turning-up state and the horizontal state of the seat plate. And the seat plate is more convenient to fold and unfold.

The utility model provides carbon fiber roll core processing and transferring equipment which comprises a carrying bottom plate, two rows of positioning protruding blocks are arranged on the surface of the carrying bottom plate, a carrying frame is arranged on the carrying bottom plate, two mounting rods are arranged at the bottom of the carrying frame, mounting holes are formed in the bottom faces of the mounting rods, and the positioning protruding blocks are arranged on the positioning protruding blocks. The mounting holes are formed in the positioning protruding blocks and then fixed to the carrying bottom plate. The positioning protruding blocks ensure that the carrier is correctly aligned on the carrier bottom plate, which is crucial for keeping the stability of the carbon fiber roll core and preventing the carbon fiber roll core from rolling in the transfer process, the carrier is used for loading the carbon fiber roll core, two mounting rods are arranged at the bottom of the carrier, mounting holes are formed in the bottom surfaces of the mounting rods, and the carbon fiber roll core can be mounted in the mounting holes. According to the carbon fiber roll core processing and transferring equipment provided by the utility model, the required carrier can be flexibly replaced as required, so that carbon fiber roll cores of different models can be flexibly transferred.

The utility model relates to the technical field of moxa cone forming, in particular to a moxa cone forming device which comprises a water storage tank, a processing tank is arranged on one side of the water storage tank, a drying groove is formed in the top end of the processing tank, a PLC is arranged on the processing tank, and the PLC is electrically connected with corresponding electric elements. According to the wormwood raw material drying device, wormwood raw materials in the drying groove can be preheated through the heater, the wormwood raw materials can be softened, excessive water can be removed, the wormwood raw materials can be stirred through the stirring blades, the wormwood raw materials can be evenly heated, the preheating efficiency of the wormwood raw materials can be improved, follow-up treatment of the wormwood raw materials is facilitated, and the wormwood raw materials can be dried conveniently. Meanwhile, the water pump can drive condensate water in the water storage tank to enter the cooling tank, the moxa cones in the forming tank can be rapidly cooled and shaped, the forming efficiency of the moxa cones can be improved, the production efficiency of the moxa cones can be improved, the refrigerator is matched with the condensation pipe to refrigerate hot water flowing back into the water storage tank, and the cooling effect can be guaranteed.

The utility model relates to the technical field of circular saw cutting machines, in particular to a circular saw cutting machine capable of cutting a plurality of bars simultaneously, which comprises a workbench, one end of the workbench is fixedly connected with a support, and a cutting mechanism used for cutting the bars is arranged at the top of the support. A plurality of sets of fixing mechanisms used for fixing bars are arranged at the top of the workbench. The fixing mechanism comprises two supports which are symmetrically arranged, two rotating shafts are rotatably mounted in the supports, and clamping plates used for clamping bars are fixedly connected to the exteriors of the two rotating shafts; bars can be clamped and fixed, rolling of the bars is avoided, the flatness of bar notches and the accuracy of cutting positions are improved, the cutting quality and precision of equipment are improved, the included angle between the two clamping plates can be adjusted through the supporting rods, the equipment can conveniently fix the bars with different diameters in cooperation with the pressing blocks, and the working efficiency is improved. And the application range of equipment is expanded.

The utility model belongs to the technical field of cutting equipment, and particularly relates to a freely adjustable plasma cutting gun which comprises a base, a stand column fixedly connected to the middle of the upper surface of the base, a sleeve frame sleeved on the outer side of the stand column, a gear I fixedly connected to an output shaft of a motor mounted on the inner wall of the front side of the sleeve frame, and a rack I welded to the front side face of the stand column. A connecting rod I is fixedly connected to the left side of the upper surface of the connecting rod. A fixing sleeve I is fixedly connected to the rear side face of a clamping sleeve I connected to the outer side of the connecting rod I in a sleeving mode. A sliding rod is fixedly connected to the interior of the fixing sleeve I. A sliding sleeve is connected to the outer side of the sliding rod in a sleeving mode. A clamping sleeve IV is fixedly connected to the front side face of the sliding sleeve through a connecting block. A vertical rod is clamped in the clamping sleeve IV, a rotating shaft is rotationally connected in a fixing sleeve II fixedly connected with the lower end of the vertical rod, a connecting rod II is clamped in a clamping sleeve II fixedly connected with the other end of the rotating shaft, and a plasma cutting gun body is clamped in a clamping sleeve III fixedly connected with the lower end of the connecting rod II. The position of the plasma cutting gun body can be freely adjusted, the machining precision is high, and the practicability is high.

The invention relates to a large workpiece carrying device, and belongs to the technical field of workpiece conveying devices. The device comprises a base, two conveying wheel sets, two pressure sensors and two adjusting driving assemblies, the bottom of the base is connected with a walking structure, the two conveying wheel sets are arranged on the base in a bilateral symmetry mode, each conveying wheel set comprises a plurality of conveying wheel units, each conveying wheel unit comprises a wheel frame and a rolling wheel, the wheel frames are rotationally installed on the base, and the rolling wheels are arranged on the wheel frames. The rollers upwards protrude out of the top surface of the base; the two pressure sensors are installed between the base and the two conveying wheel sets correspondingly, the two adjusting driving assemblies are connected with the two conveying wheel sets correspondingly, each adjusting driving assembly comprises a first gear, a first rack and a driving piece, and the two driving pieces in the two adjusting driving assemblies are in control connection with the two pressure sensors correspondingly. According to the large workpiece carrying device, automatic centering of workpieces in the left-right direction can be achieved, and the conveying process of the workpieces is safer and more stable.

The invention discloses a conveying belt with an anti-falling structure and an anti-falling method of the conveying belt, and relates to the technical field of conveying belts. The device comprises two supporting frames, two belt shafts are symmetrically and rotationally connected to the opposite faces of the two supporting frames, and a first motor is fixedly connected to one side of one supporting frame. According to the coal conveying belt, the anti-falling assembly is arranged, the second motor is started to operate to drive the connecting shaft to rotate, the first anti-falling assembly can be driven to operate through rotation of the connecting shaft, the anti-falling assembly can circularly shake the bottom of the conveying belt body in the conveying belt body in a reciprocating mode, and therefore coal on the conveying belt is dispersed; according to the coal conveying belt, the coal is prevented from being accumulated too high on a certain part of the conveying belt body, so that the falling risk of the coal is reduced, the friction force between the coal and the surface of the conveying belt body can be increased by paving the coal, the sliding possibility of the coal is reduced, and the falling risk of the coal in the conveying process is reduced.

The invention relates to the field of wind power blades, and discloses a wind power blade roller coating system which comprises a moving device, a roller coating device and a roller coating device. A paint supply device; the roller coating tool is installed on the mechanical arm and connected with the paint supply device through a pipeline, the roller sets comprise a plurality of roller mechanisms arranged at intervals in the axial direction, and the roller mechanisms of the adjacent roller sets are arranged in a staggered mode in the axial direction; the pressure detection pieces are connected with the roller and used for detecting the pressure of the roller in the radial direction and sending a pressure signal, and the first linear moving piece is connected with the roller and used for receiving the pressure signal and adjusting the radial displacement of the roller so that the pressure value of each pressure detection piece can be within the threshold value range. The roller coating device is used for solving the problem of poor roller coating uniformity in the prior art. The contact pressure between the roller and the wind power blade is detected through the pressure detection pieces, so that the first linear moving piece is controlled to adjust the radial displacement of the roller, the pressure value of each pressure detection piece is within the threshold value range, and the roller coating uniformity is improved.

The utility model provides a material sorting vibration disc which comprises a bottom plate and side plates arranged on the two opposite sides of the bottom plate, the two side plates and the bottom plate are matched to define a flow channel, and the flow channel can contain a plurality of materials to be sorted at the same time. A plurality of through holes are formed in the bottom plate in a penetrating manner, the aperture of each through hole is matched with that of a standard material, and the through holes are communicated with the runner; the flow channel is sequentially divided into a first area, a second area and a third area in the material conveying direction; the first area, the second area and the third area are all provided with the through holes, and the bottom plate at the second area or the third area is provided with salient points. Meanwhile, the utility model further provides a vibration disc assembly. Compared with the prior art, the material sorting vibration disc and the vibration disc assembly can improve the sorting efficiency.

This invention relates to the field of building construction technology and provides a height-adjustable indoor construction platform, including a main board. A lifting mechanism and a construction platform are arranged above the main board. Extended platforms are hinged to both sides of the construction platform. The beneficial effects of this invention are as follows: long pipes are fixed by the limiting mechanism, which can prevent the pipes from rolling or shifting during upward transportation without the need for worker assistance. In addition, the lifting mechanism realizes automated upward transportation of pipes, thereby reducing the labor intensity of workers and speeding up the construction progress. By using the cooperation of the flipping mechanism and the limiting mechanism, while fixing the pipes, the extended platform also forms a guardrail to protect workers, thereby improving safety. Furthermore, the extended platform is not limited to carrying pipes; it can also be used to place other materials or items as an extension platform of the construction platform, increasing the workers' working space.

The utility model discloses a SiC wafer degumming protection device, which comprises a first fixer, the first fixer comprises a first fixing plate, and the axial direction of a wafer group is along a first direction; the surface, facing the wafer group, of the first fixing plate is matched with the semi-circumferential surface of the wafer group; and in the second direction, the first fixers are divided into two groups which are oppositely arranged, and the first fixing plates in the two groups of first fixers can be far away from each other or close to each other in the second direction. When the two first fixing plates are far away from each other, a sufficient space is formed between the two first fixing plates to accommodate the wafer group. When the two first fixing plates are close to each other, the surfaces, facing the wafer group, of the two first fixing plates can be matched with the two semi-circumferential surfaces of the wafer group respectively, so that the two first fixing plates can support wafers in the wafer group in the second direction, and the wafers are prevented from rolling in the second direction; therefore, the wafer can be prevented from rolling and being damaged in the degumming and wafer washing process, and the wafer quality is further improved.

The utility model provides electric power through pipe transportation equipment, which relates to the field of transportation and comprises a transportation device, and the transportation device comprises a support, a driving device and a sliding block. The support is provided with a guide strip arranged in the same direction as the conveying direction, the guide strip is provided with a plurality of fixing blocks arranged at intervals, and the fixing blocks are used for allowing power through pipes to be arranged in a sleeved mode. The sliding block is slidably connected with the guide strip, the driving device is arranged on the support, the output end of the driving device is connected with the sliding block, and the driving device is used for driving the sliding block to do lifting motion and do reciprocating motion in the conveying direction. And the driving device is matched with the sliding block to control the separation and combination states of the electric power through pipe and the fixed block. By vertically placing the electric power through pipes, the electric power through pipes are prevented from rolling in the transportation process, and the problem that the electric power through pipes are prone to being damaged due to stacking in the transportation process is solved.

The utility model discloses a circuit board production turnover device, including support frame body and setting in support frame body lower extreme four angle place's universal trundle, be provided with a plurality of layers for placing PCB's placing frame on the support frame body, the placing frame includes first carrier plate and second carrier plate, in first carrier plate and second carrier plate all one to many corresponding recess has a plurality of V type groove for positioning PCB, its characterized in that: first carrier plate fixed connection is in the support frame body, second carrier plate is located first carrier plate top and is relative to first carrier plate and is set to be inclined angle A, in second carrier plate four angle place all respectively rotate to set up the sliding block, the support frame body is correspondingly provided with movable slot respectively to the sliding block, the sliding block one to many corresponding activities setting in movable slot, second carrier plate can follow the sliding block along movable slot activity, to make the inclined angle A less than or equal to 90 degrees, be equipped with the locking member of locking the sliding block displacement on the support frame body.

The invention relates to the technical field of circular knitting machine doffing roll carrying, and discloses a multifunctional AGV which comprises a vehicle body, a left fork and a right fork are arranged on the front side of the vehicle body, a lifting assembly sliding up and down is arranged on the front side of the vehicle body, the forks are connected to the lifting assembly in a front-back sliding mode, and arc grooves are formed in the tops of the front half parts of the forks. The pallet fork is arranged in the lifting assembly connected to the vehicle body in a lifting mode, meanwhile, the pallet fork is connected to the lifting assembly in a sliding mode, so that the pallet fork can be lifted up and down and can stretch out and draw back front and back, an arc groove is further formed in the top of the pallet fork, and when a cloth roll needs to be transported, the pallet fork retracts back and the cloth roll is placed in the arc groove; therefore, the yardage rolls are conveyed more stably, the situation that the gravity center is not stable due to the fact that the pallet forks are too long is prevented, meanwhile, the yardage rolls are prevented from rolling, meanwhile, the liftable pallet forks can receive the yardage rolls of the circular knitting machines with different heights, only the pallet forks need to stretch out again when pallets are conveyed, and multifunctional combined use is achieved.

The utility model relates to the technical field of tubular pile production equipment, and particularly discloses a tubular pile cutting device which comprises a first track, a second track, a pulley, a tubular pile bracket, a clamping device, a cutting device and a dust falling device, two pulleys are arranged on two first rails which are arranged in parallel in a reciprocating motion mode, two tubular pile brackets are detachably installed on each pulley, two second rails are arranged in a group in parallel, a group of clamping devices are arranged on each second rail in a sliding mode, and cutting devices are arranged on the two sides of the first rails in a reciprocating motion mode along the second rails. A dust falling device is fixedly mounted on a clamping arm of the clamping device; by means of the two movable pulleys and the detachable tubular pile bracket, the tubular pile cutting device can be suitable for tubular piles of different sizes, the clamping device can clamp the multiple layers of stacked tubular piles, rolling, sliding and collapse are prevented during cutting, the multiple tubular piles are cut at the same time, the cutting efficiency is improved, and the labor intensity of workers is reduced. And the dust falling device can reduce raised dust in the cutting process and cool the cutting rope.

The utility model relates to the technical field of feeders, in particular to a manual feeder. The manual feeder comprises a front cover, a liquid food barrel and a rear cover, a first concave table used for containing a circular gasket is arranged on the left side of the interior of the front cover, and the liquid food barrel and the front cover are in threaded connection and then are sealed through the gasket. The first concave platform for placing the circular gasket is arranged on the left side of the interior of the front cover, the second boss of the gasket is matched with the first concave platform, the first boss matched with the second concave platform is arranged in the middle of the left side of the plunger, and the first platform matched with the third boss is arranged on the edge of the first boss. After the liquid food barrel is in threaded connection with the front cover, sealing of the liquid food barrel and the front cover is achieved, and overflowing of liquid food or seepage of liquid is avoided.

The utility model relates to the technical field of numerical control lathes, and discloses a numerical control lathe convenient to eject and take materials, which comprises a lathe body, and a discharging mechanism is arranged at the inner bottom of the lathe body. Through the material taking mechanism, after part machining is completed, an air cylinder is started, a first connecting plate and a second connecting plate move upwards, at the moment, the part is located at the top of the second connecting plate, a limiting plate shields the part, the part cannot slide backwards when the device takes materials, and then a three-jaw chuck of the machine tool body releases clamping force on the part; then a motor is started, a screw rod rotates, the rotation of the screw rod drives a screw block to move forwards, so that an air cylinder, a first connecting plate and a second connecting plate move forwards, a part is further driven to move forwards, in the process, a worker does not need to stretch the body into the machine tool body, and the head of the worker can be effectively protected against touching the machine tool body; and the personal safety of workers is protected.